1. Introdución
Thank you for choosing the AVANTEK BA-12 Wireless Doorbell System. This manual provides detailed instructions for the proper installation, operation, and maintenance of your new doorbell system. Please read this manual thoroughly before use to ensure optimal performance and longevity of the product.

Imaxe 1.1: Acabadoview of the AVANTEK BA-12 Wireless Doorbell System components.
2. Contido do paquete
Comprobe que todos os elementos estean presentes no paquete:
- 2 × Wireless Cordless Receivers (3 AAA batteries included in each)
- 1 × Transmitter (CR2032 battery included)
- 1 × cinta adhesiva
- 1 × Destornillador
- 2 × Parafusos
- 2 × áncoras
- 1 × Manual de usuario
3. Características do produto
The AVANTEK BA-12 Wireless Doorbell System offers the following key features:
- Convenient Battery-Powered Receivers: Each receiver operates on 3 AAA batteries (included), eliminating the need for an electrical outlet.
- Alcance inalámbrico ultralargo: Up to 300 meters (1000 feet) operating range, ensuring you hear the doorbell from anywhere in your home.
- Extensive Chime Selection: Escolle entre 52 melodías distintas.
- Niveis de volume axustables: 5 volume levels with a maximum setting of 115 dB for clear audibility.
- High-Performance Transmitter: Features ultra-low power consumption with a CR2032 lithium battery, offering up to a 3-year lifespan.
- Deseño duradeiro: IP55 dustproof and waterproof rating, suitable for various weather conditions.
- Función de memoria: Retains your last selected melody and volume level even after battery replacement.
- Amplia temperatura de funcionamento: Functions reliably between -20 °C to 60 °C (-4 °F to 140 °F).

Image 3.1: Key features of the doorbell receiver, including chime and volume options.
4. Configuración e instalación
Follow these steps to set up your AVANTEK BA-12 Wireless Doorbell System:
4.1. Instalación do transmisor
- Seleccionar localización: Choose a flat, vertical surface near your door for the transmitter. Ensure the surface is clean and dry.
- Opcións de montaxe:
- Cinta adhesiva: Peel off one side of the adhesive tape and attach it to the back of the transmitter. Press firmly onto the desired location for 30 seconds.
- Parafusos: Use the provided screws and anchors to securely mount the transmitter to the wall. This method is recommended for uneven surfaces or enhanced security.
- Comprobación da batería: The transmitter comes with a pre-installed CR2032 battery. Ensure the plastic isolation tab is removed if present.
4.2. Instalación do receptor
- Instalación da batería: Each receiver requires 3 AAA batteries (included). Open the battery compartment on the back of the receiver and insert the batteries, observing the correct polarity (+/-).
- Montaxe: Screw the mounting bracket onto the wall using the provided screws and anchors. Once the bracket is secure, hook the receiver onto the bracket.

Image 4.1: Illustration of receiver mounting using screws and bracket.

Image 4.2: Components and dimensions of the doorbell units.
5. Instrucións de funcionamento
Once installed, your AVANTEK BA-12 Wireless Doorbell System is ready for use.
5.1. Cambiando as melodías
To select a different melody:
- On the receiver, press the 'Next' or 'Previous' button (typically located on the side) to cycle through the 52 available melodies.
- O receptor reproducirá unha preview de cada melodía ao premer o botón.
5.2. Axuste do volume
Para axustar o nivel de volume:
- On the receiver, press the 'Volume' button (typically located on the side) to cycle through the 5 volume levels.
- The receiver will play a sound at the selected volume level.
5.3. Función de memoria
The doorbell system features a memory function. Your last selected melody and volume level will be automatically saved and restored after battery replacement or power interruption, eliminating the need to reset your preferences.
6. Mantemento
Proper maintenance ensures the longevity and reliable operation of your doorbell system.
6.1. Substitución da batería
- Transmisor: The transmitter uses a CR2032 lithium battery with an approximate 3-year lifespan. When the transmitter's LED indicator no longer lights up or the range decreases significantly, replace the battery. Use the provided screwdriver to open the battery compartment.
- Receptores: Each receiver uses 3 AAA batteries. Replace them when the sound becomes faint or the receiver stops responding. Open the battery compartment on the back of the receiver.
- Always dispose of used batteries responsibly.
6.2. Limpeza
Wipe the doorbell units with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the finish or internal components.
6.3. Consideracións ambientais
The transmitter is IP55 dustproof and waterproof, designed to withstand outdoor conditions. However, avoid submerging the unit in water. The system operates effectively within a temperature range of -20 °C to 60 °C (-4 °F to 140 °F).

Image 6.1: The transmitter's IP55 rating and operating temperature range.
7 Solución de problemas
If you encounter issues with your doorbell system, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| O receptor non soa. | Low or dead batteries in receiver or transmitter. | Replace batteries in both the receiver (AAA) and transmitter (CR2032). |
| Curto alcance sen fíos. | Obstructions (thick walls, metal structures) or interference. Low battery in transmitter. | Relocate receiver or transmitter to minimize obstructions. Replace transmitter battery. |
| Doorbell rings unexpectedly. | Interferencias doutros dispositivos sen fíos. | The system is designed to minimize interference. If this persists, contact support. |
| Cannot change melody or volume. | Buttons not functioning or receiver issue. | Ensure batteries are fresh. If problem persists, contact support. |
Nota importante sobre compatibilidade: The AVANTEK BA-12 battery-operated doorbell kits are designed to pair exclusively with other AVANTEK battery-operated doorbell kits (models BA-11, AW-11, BA-12). They are not compatible with other kits or accessories from AVANTEK or other brands.

Image 7.1: Illustration of the doorbell's wireless range capability.
8. Especificacións
- Modelo: BA-12
- Alcance sen fíos: Ata 300 metros (1000 pés) en zonas abertas
- Melodías: 52 carrillóns seleccionables
- Niveis de volume: 5 levels, up to 115 dB
- Batería do transmisor: 1 × CR2032 lithium battery (included)
- Baterías do receptor: 3 × AAA batteries per receiver (included)
- Clasificación impermeable: IP55 (Transmisor)
- Temperatura de funcionamento: -20 °C a 60 °C (-4 °F a 140 °F)
9. Garantía e soporte
AVANTEK products are designed for reliability and performance. For warranty information, please refer to the documentation included with your purchase or visit the official AVANTEK website. If you require technical assistance or have questions not covered in this manual, please contact AVANTEK customer support through the contact information provided on the product packaging or the official websitio.





